WP_Icons_Registry::get_content( string $icon_name ): string|null

Source

protected function get_content( $icon_name ) {
	if ( ! isset( $this->registered_icons[ $icon_name ]['content'] ) ) {
		$file_path  = $this->registered_icons[ $icon_name ]['file_path'] ?? '';
		$is_stringy = is_string( $file_path ) || ( is_object( $file_path ) && method_exists( $file_path, '__toString' ) );
		$icon_path  = $is_stringy ? realpath( (string) $file_path ) : false;

		if (
			! is_string( $icon_path ) ||
			! str_ends_with( $icon_path, '.svg' ) ||
			! is_file( $icon_path ) ||
			! is_readable( $icon_path )
		) {
			wp_trigger_error(
				__METHOD__,
				__( 'Icon file is missing or unreadable.' )
			);
			return null;
		}

		$content = $this->sanitize_icon_content( file_get_contents( $icon_path ) );

		if ( empty( $content ) ) {
			wp_trigger_error(
				__METHOD__,
				__( 'Icon content does not contain valid SVG markup.' )
			);
			return null;
		}

		$this->registered_icons[ $icon_name ]['content'] = $content;
	}
	return $this->registered_icons[ $icon_name ]['content'];
}

View all references View on Trac View on GitHub